Eastern buys and sells Diamonds, Gold, Platinum, Watches - (Rolex, Cartier, Patek Phillipe, Vacheron & Constantine as well as repeaters), all at very competitive prices. Buy & Sell with confidence. You will always receive the highest price when selling to us. All purchases are strictly confidential. We are licensed and bonded estate buyers and appraisers. Eastern Numismatics buyers are traveling around the country spending millions of dollars buying and appraising coin collections large and small.